January 2001
Intermediate to advanced
368 pages
11h 35m
English
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Diffserv Architecture 27
In a diffserv network, best-effort behavior can be viewed as the default PHB. Diffserv
recommends specific DSCP values for each PHB, but a network provider can choose to use
a different DSCP than the recommended values in his or her network. The recommended
DSCP for best-effort behavior is 000000.
The PHB of a specific traffic class depends on a number of factors:
• Arrival rate or load for the traffic class—This is controlled by the traffic
conditioning at the network boundary.
• Resource allocation for the traffic class—This is controlled by the resource
allocation on the nodes in the diffserv domain. Resource allocation in ...
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